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Major Events of October 1939: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from October 1939 and discover how they influenced the world both then and now.

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Major Events of October 1939: Key Historical Moments from the Month

  • 01 Oct 1939 Fall of Warsaw: On October 1, 1939, Warsaw, the capital of Poland, fell to Nazi German forces after weeks of intense fighting. This marked a significant moment in the early stages of World War II, leading to the complete occupation of Poland. source: britannica.com
  • 02 Oct 1939 Pan-American Neutrality Zone Established: On October 2, 1939, the Pan-American Conference concluded in Panama City, where 21 American republics established a "safety belt" extending 300 to 600 miles offshore. This zone prohibited belligerent acts by non-American states within its boundaries. source: archive.spectator.co.uk
  • 06 Oct 1939 Battle of Kock: Final Combat of September Campaign: The Battle of Kock, fought from October 2 to October 5, 1939, near Kock, Poland, was the final battle of the September Campaign during World War II. The Polish Independent Operational Group Polesie, led by General Franciszek Kleeberg, faced the German XIV Motorized Corps under General Gustav Anton von Wietersheim. Despite initial successes, Polish forces surrendered on October 6 due to exhaustion and lack of supplies, marking the end of organized Polish resistance in the campaign. source: dignitynews.eu
  • 09 Oct 1939 Hitler's Directive No. 6 for Western Offensive: On October 9, 1939, Adolf Hitler issued Directive No. 6, planning an offensive through Luxembourg, Belgium, and the Netherlands to defeat England and France. The directive aimed to secure territory in these countries to establish a base for air and sea operations against Britain. The attack was initially set for November 12 but was postponed due to protests from military leaders and adverse weather conditions. source: der-fuehrer.org
  • 10 Oct 1939 Final Polish Military Surrender to Germany: On October 10, 1939, the Polish military officially surrendered to Germany, marking the end of the invasion that began on September 1, 1939. This surrender followed the Soviet invasion of Poland from the east on September 17, leading to the partitioning of Poland between Germany and the Soviet Union. source: en.wikipedia.org
  • 11 Oct 1939 Einstein Warns Roosevelt About Atomic Potential: On October 11, 1939, physicist Albert Einstein signed a letter to U.S. President Franklin D. Roosevelt, co-authored with physicist Leo Szilard, warning about the potential for Nazi Germany to develop atomic weapons. This letter led to the establishment of the Manhattan Project, which aimed to develop nuclear weapons for the United States. source: archives.gov
  • 12 Oct 1939 France Rejects Hitler's Peace Proposal: On October 12, 1939, French Prime Minister Édouard Daladier rejected Hitler's latest peace proposals, stating that a settlement at this time would only consecrate conquests by deceit or violence and would not prevent preparation for new ones. Daladier vowed that arms would only be laid down when certain guarantees of security were provided. source: en.wikipedia.org
  • 13 Oct 1939 German submarine U-40 sinks in English Channel: On October 13, 1939, the German submarine U-40 was sunk by a British mine in the English Channel. The submarine was attempting a shortcut to rendezvous with other U-boats when it struck a mine and sank immediately. Nine crew members survived the sinking. source: en.wikipedia.org
  • 14 Oct 1939 Sinking of HMS Royal Oak: On October 14, 1939, the British battleship HMS Royal Oak was sunk by the German submarine U-47 in Scapa Flow. The attack resulted in the loss of 833 crew members. source: en.wikipedia.org
  • 16 Oct 1939 British gold transported to Canada for safekeeping: In October 1939, the British government decided to transport its gold reserves to Canada for safekeeping amid the uncertainties of World War II. This move was part of a broader strategy to protect national assets during the conflict. source: bbc.com
  • 17 Oct 1939 Mr. Smith Goes to Washington premieres: The film 'Mr. Smith Goes to Washington' premiered in Constitution Hall, Washington, D.C., on October 17, 1939, attended by 45 senators and 250 House members. The film received mixed reactions, with some politicians criticizing its portrayal of government corruption. source: politico.com
  • 18 Oct 1939 Lee Harvey Oswald born: Lee Harvey Oswald, the man accused of assassinating President John F. Kennedy, was born on October 18, 1939, in New Orleans, Louisiana. His life and actions would later become a significant part of American history. source: history.com
  • 20 Oct 1939 Pope Pius XII Publishes Encyclical Summi Pontificatus: On October 20, 1939, Pope Pius XII published his first encyclical, Summi Pontificatus, subtitled 'On the Unity of Human Society.' The document criticized ideologies of racism, cultural superiority, and totalitarianism, and called for the restoration of an independent Poland. It also addressed the moral crisis in Europe and emphasized the need for unity and peace. source: britannica.com
  • 21 Oct 1939 South Tyrol Option Agreement between Germany and Italy: On October 21, 1939, Nazi Germany and Fascist Italy signed the South Tyrol Option Agreement, allowing German and Ladin-speaking residents of South Tyrol to choose between emigration to Germany or remaining in Italy under Italianization policies. source: en.wikipedia.org
  • 22 Oct 1939 First Television Broadcast of an NFL Game: On October 22, 1939, the first television broadcast of an NFL game took place, marking a significant milestone in sports broadcasting history.
  • 26 Oct 1939 Nazi Forced Labor Decree for Polish Jews: On October 26, 1939, the German authorities issued a decree mandating that all Polish Jews aged 14 to 60 perform forced labor. This policy aimed to exploit Jewish labor for various construction and maintenance projects, including public buildings, roads, and agricultural tasks. The implementation of this decree marked a significant escalation in the persecution of Jews in occupied Poland. source: jewishvirtuallibrary.org
  • 28 Oct 1939 First German Aircraft Shot Down Over Britain: On October 28, 1939, during World War II, the first German aircraft was shot down over Britain. This event marked a significant escalation in the air conflict between Germany and the United Kingdom, as the war expanded beyond continental Europe. source: history.com
  • 29 Oct 1939 Golden Gate International Exposition Concludes: The Golden Gate International Exposition, held in San Francisco to celebrate the completion of the Golden Gate Bridge and the San Francisco–Oakland Bay Bridge, concluded on October 29, 1939. The exposition showcased technological innovations and cultural exhibits, attracting millions of visitors. source: en.wikipedia.org
  • 30 Oct 1939 Birth of Leland H. Hartwell, Nobel Laureate: Leland H. Hartwell, an American geneticist and Nobel laureate, was born on October 30, 1939. He was awarded the Nobel Prize in Physiology or Medicine in 2001 for his discoveries of key regulators of the cell cycle. source: en.wikipedia.org
  • 31 Oct 1939 Mussolini reshuffles military and political leadership: On October 31, 1939, Italian dictator Benito Mussolini made significant changes to his military and political leadership. This reshuffle was part of his efforts to strengthen Italy's position in the ongoing conflicts in Europe. source: britannica.com